19117111

素因数分解:

${\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:187

約数の個数: 24

約数和(自身を含む): 22135680

約数和(自身を除く): 3018569

約数列:

[1, 13, 31, 41, 89, 169, 403, 533, 1157, 1271, 2759, 3649, 5239, 6929, 15041, 16523, 35867, 47437, 113119, 214799, 466271, 616681, 1470547, 19117111]

約数ペア:

[(1, 19117111), (13, 1470547), (31, 616681), (41, 466271), (89, 214799), (169, 113119), (403, 47437), (533, 35867), (1157, 16523), (1271, 15041), (2759, 6929), (3649, 5239)]